242345237 has 2 divisors, whose sum is σ = 242345238. Its totient is φ = 242345236.

The previous prime is 242345221. The next prime is 242345239. The reversal of 242345237 is 732543242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178249201 + 64096036 = 13351^2 + 8006^2 .

It is a cyclic number.

It is not a de Polignac number, because 242345237 - 2⁴ = 242345221 is a prime.

Together with 242345239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242345239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121172618 + 121172619.

It is an arithmetic number, because the mean of its divisors is an integer number (121172619).

Almost surely, 2^242345237 is an apocalyptic number.

It is an amenable number.

242345237 is a deficient number, since it is larger than the sum of its proper divisors (1).

242345237 is an equidigital number, since it uses as much as digits as its factorization.

242345237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 32.

The square root of 242345237 is about 15567.4415688642. The cubic root of 242345237 is about 623.4641646001.

Adding to 242345237 its reverse (732543242), we get a palindrome (974888479).

The spelling of 242345237 in words is "two hundred forty-two million, three hundred forty-five thousand, two hundred thirty-seven".